diff --git a/do.py b/do.py
index 52a9ecf9..ff885bd6 100644
--- a/do.py
+++ b/do.py
@@ -36,7 +36,7 @@
 USE_MODELS_DIR = None
 
 # supported values - branch name or None
-USE_OPENAPIART_BRANCH = None
+USE_OPENAPIART_BRANCH = "static_grpc_version"
 USE_MODELS_BRANCH = "dhcp_li"
 
 OPENAPIART_REPO = "https://github.com/open-traffic-generator/openapiart.git"